See massive fossils that are over 200 million years old in northeastern Arizona.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

This museum glorifies the humble potato.

Home to the deepest rift anywhere on Earth.

The notorious Wild West outlaw was raised in this unassuming abode.

A tunnel with windows, so you don't miss out on the impressive views.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Dramatic river bend surrounds a natural red-rocked pedestal.

An abandoned, rusty old relic of railroad history stands at attention over the Cuyahoga River.

This rustic old building is said to be the most photographed barn in America.

The first declared National Monument in the United States.

This Wild West attraction is alive with glitching automatons.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

Live long and prosper in Tennessee.

An experimental, automotive replica of Stonehenge.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

This little gem of a museum is a hidden jewel filled with prehistoric treasures.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.